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Question
Find and correct the errors in the statement: 5y + 2y + y − 7y = 0
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Solution
L.H.S. = 5y + 2y + y − 7y = 8y − 7y = y ≠ R.H.S
The correct statement is 5y + 2y + y − 7y = y
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(4n)2 – 2n + 3 = 4n2 – 2n + 3
